• 2022-06-09
    设总体[img=103x27]1802d3d34d930e5.png[/img],[img=106x23]1802d3d356d542c.png[/img]是总体X的简单随机样本,以下哪个说法正确?
    A: [img=184x63]1802d3d360e882d.png[/img]
    B: [img=188x63]1802d3d36ba77d6.png[/img]
    C: [img=184x63]1802d3d376a258b.png[/img]
    D: [img=188x63]1802d3d3813d173.png[/img]
    E: [img=93x46]1802d3d3893ec88.png[/img]
    F: [img=181x25]1802d3d3931cb42.png[/img]
  • 举一反三